Fix up all the easy virtual ... SK_OVERRIDE cases.

src/core/SkMaskCache.cpp

Index: src/core/SkMaskCache.cpp
diff --git a/src/core/SkMaskCache.cpp b/src/core/SkMaskCache.cpp
index b4b8b4faf359e18957c6a3b2998ee0c8bb39bb36..a360fc56d710c353c4c973813f61af5b3c32712d 100644
--- a/src/core/SkMaskCache.cpp
+++ b/src/core/SkMaskCache.cpp
@@ -51,8 +51,8 @@ struct RRectBlurRec : public SkResourceCache::Rec {
     RRectBlurKey   fKey;
     MaskValue      fValue;
 
-    virtual const Key& getKey() const SK_OVERRIDE { return fKey; }
-    virtual size_t bytesUsed() const SK_OVERRIDE { return sizeof(*this) + fValue.fData->size(); }
+    const Key& getKey() const SK_OVERRIDE { return fKey; }
+    size_t bytesUsed() const SK_OVERRIDE { return sizeof(*this) + fValue.fData->size(); }
 
     static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextData) {
         const RRectBlurRec& rec = static_cast<const RRectBlurRec&>(baseRec);
@@ -142,8 +142,8 @@ struct RectsBlurRec : public SkResourceCache::Rec {
     RectsBlurKey   fKey;
     MaskValue      fValue;
 
-    virtual const Key& getKey() const SK_OVERRIDE { return fKey; }
-    virtual size_t bytesUsed() const SK_OVERRIDE { return sizeof(*this) + fValue.fData->size(); }
+    const Key& getKey() const SK_OVERRIDE { return fKey; }
+    size_t bytesUsed() const SK_OVERRIDE { return sizeof(*this) + fValue.fData->size(); }
 
     static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextData) {
         const RectsBlurRec& rec = static_cast<const RectsBlurRec&>(baseRec);